Other Real Estate Owned (Details) (USD $)	3 Months Ended			6 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Other Real Estate Owned [Abstract]
Other real estate owned decrease				$ 433,000
Foreclosed Property [Roll Forward]
Beginning balance	13,264,000	13,435,000		13,435,000
Net proceeds from sales	(2,603,000)	(2,277,000)		(4,880,000)	(5,453,000)
Net gain on sales	418,000	162,000	255,000	580,000	117,000
Assets acquired on non-accrual loans	2,252,000	1,956,000		4,208,000	9,096,000
Impairment charge	(329,000)	(12,000)		(341,000)	(1,049,000)
Ending balance	13,002,000	13,264,000		13,002,000
Other real estate owned (OREO)	13,002,000	13,264,000		13,002,000
Land [Member]
Foreclosed Property [Roll Forward]
Ending balance	4,500,000			4,500,000
Other real estate owned (OREO)	4,500,000			4,500,000
Proceeds from sale of collateral related to other real estate owned	765,000	1,800,000
Gain (loss) on sale of OREO	12,000	38,000
Commercial Real Estate [Member]
Foreclosed Property [Roll Forward]
Ending balance	3,600,000			3,600,000
Other real estate owned (OREO)	3,600,000			3,600,000
Proceeds from sale of collateral related to other real estate owned	99,000	24,000
Gain (loss) on sale of OREO	37,000	17,000
Single family homes [Member]
Foreclosed Property [Roll Forward]
Ending balance	283,000			283,000
Other real estate owned (OREO)	283,000			283,000
Proceeds from sale of collateral related to other real estate owned	114,000	43,000
Gain (loss) on sale of OREO	5,000	3,000
Impairment charge for other real estate owned	146,000
Transfer to other real estate owned		100,000
Number of properties that the collateral was sold		4
Number of lending relationships	2	2
Tax Lien [Member]
Foreclosed Property [Roll Forward]
Ending balance	4,600,000			4,600,000
Other real estate owned (OREO)	4,600,000			4,600,000
Foreclosed Collateral On Tax Liens [Member]
Foreclosed Property [Roll Forward]
Proceeds from sale of collateral related to other real estate owned	1,600,000	367,000
Gain (loss) on sale of OREO	364,000	180,000
Impairment charge for other real estate owned	183,000	12,000
Transfer to other real estate owned	$ 2,300,000	$ 1,900,000
Number of properties that the collateral was sold	15	11